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CVE-2026-114047— FreeRDP 2.0.0 before 3.32.0 Proxy Improper TLS Certificate Validation

Quick assessment

Affected
FreeRDP FreeRDP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FreeRDP 2.0.0 至 3.32.0 之前的版本中，其代理组件存在证书验证不当的漏洞：当未配置验证模块时，该代理会接受不受信任的目标 TLS 证书。处于网络中间位置的攻击者可拦截代理的出站连接，并出示自签名且主机名不匹配的证书，从而伪装成 RDP 目标服务器，并获取被代理的会话数据。

CVSS 6.8 · Medium
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I. Basic Information for CVE-2026-114047

Vulnerability Information
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Vulnerability Title
FreeRDP 2.0.0 before 3.32.0 Proxy Improper TLS Certificate Validation
Source: CVE Program / CVE List V5
Vulnerability Description
FreeRDP from 2.0.0 before 3.32.0 contains an improper certificate validation vulnerability in its proxy that accepts untrusted target TLS certificates when no verification module is configured. Network-positioned attackers can intercept the proxy's outbound connection and present a self-signed, wrong-hostname certificate to impersonate the RDP target and receive proxied session data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
FreeRDP FreeRDP 2.0.0 ~ 3.32.0 -

II. Public POCs for CVE-2026-114047

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III. Intelligence Information for CVE-2026-114047

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Other References for CVE-2026-114047 (2)

Same Patch Batch · FreeRDP · 2026-10-21 · 7 CVEs total

CVE-2026-114045 8.8 HIGH FreeRDP before 3.32.1 Heap Buffer Overflow via rdpsnd_server_select_format
CVE-2026-114046 6.5 MEDIUM FreeRDP 3.0.0 before 3.32.0 null-pointer dereference via emulated smartcard
CVE-2026-114043 6.5 MEDIUM Vulnerability in FreeRDP
CVE-2026-114042 6.5 MEDIUM FreeRDP 3.32.0 Use-After-Free via drdynvc Virtual Channel PDU
CVE-2026-114041 6.5 MEDIUM FreeRDP before 3.32.1 Heap Out-of-Bounds Read via RD Gateway Consent Message
CVE-2026-114044 5.3 MEDIUM FreeRDP before 3.32.1 Android Client Heap OOB Read via Graphics Pipeline

IV. Related Vulnerabilities

Same product: FreeRDP
Same vendor: FreeRDP
Same weakness: CWE-295

V. Comments for CVE-2026-114047

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